[819] | 1 | // |
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| 2 | // ******************************************************************** |
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| 3 | // * License and Disclaimer * |
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| 4 | // * * |
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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| 7 | // * conditions of the Geant4 Software License, included in the file * |
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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| 9 | // * include a list of copyright holders. * |
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| 10 | // * * |
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| 11 | // * Neither the authors of this software system, nor their employing * |
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| 12 | // * institutes,nor the agencies providing financial support for this * |
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| 13 | // * work make any representation or warranty, express or implied, * |
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| 14 | // * regarding this software system or assume any liability for its * |
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| 15 | // * use. Please see the license in the file LICENSE and URL above * |
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| 16 | // * for the full disclaimer and the limitation of liability. * |
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| 17 | // * * |
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| 18 | // * This code implementation is the result of the scientific and * |
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| 19 | // * technical work of the GEANT4 collaboration. * |
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| 20 | // * By using, copying, modifying or distributing the software (or * |
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| 21 | // * any work based on the software) you agree to acknowledge its * |
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| 22 | // * use in resulting scientific publications, and indicate your * |
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| 23 | // * acceptance of all terms of the Geant4 Software license. * |
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| 24 | // ******************************************************************** |
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| 25 | // |
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| 26 | // |
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| 27 | // $Id: G4EnergyRangeManager.cc,v 1.15 2006/06/29 19:58:21 gunter Exp $ |
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[1007] | 28 | // GEANT4 tag $Name: geant4-09-02 $ |
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[819] | 29 | // |
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| 30 | // Hadronic Process: Energy Range Manager |
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| 31 | // original by H.P. Wellisch |
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| 32 | // modified by J.L. Chuma, TRIUMF, 22-Nov-1996 |
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| 33 | // Last modified: 24-Mar-1997 |
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| 34 | // fix in the counter-hndling: H.P. Wellisch 04-Apr-97 |
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| 35 | // throw an exception if no model found: J.L. Chuma 04-Apr-97 |
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| 36 | |
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| 37 | #include "G4EnergyRangeManager.hh" |
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| 38 | #include "Randomize.hh" |
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| 39 | #include "G4HadronicException.hh" |
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| 40 | |
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| 41 | G4EnergyRangeManager::G4EnergyRangeManager( |
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| 42 | const G4EnergyRangeManager &right ) |
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| 43 | { |
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| 44 | if( this != &right ) |
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| 45 | { |
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| 46 | for( G4int i=0; i<theHadronicInteractionCounter; ++i ) |
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| 47 | theHadronicInteraction[i] = right.theHadronicInteraction[i]; |
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| 48 | theHadronicInteractionCounter = right.theHadronicInteractionCounter; |
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| 49 | } |
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| 50 | } |
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| 51 | |
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| 52 | G4EnergyRangeManager & |
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| 53 | G4EnergyRangeManager::operator=( |
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| 54 | const G4EnergyRangeManager &right ) |
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| 55 | { |
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| 56 | if( this != &right ) |
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| 57 | { |
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| 58 | for( G4int i=0; i<theHadronicInteractionCounter; ++i ) |
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| 59 | theHadronicInteraction[i] = |
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| 60 | right.theHadronicInteraction[i]; |
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| 61 | theHadronicInteractionCounter = |
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| 62 | right.theHadronicInteractionCounter; |
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| 63 | } |
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| 64 | return *this; |
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| 65 | } |
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| 66 | |
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| 67 | void |
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| 68 | G4EnergyRangeManager::RegisterMe( |
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| 69 | G4HadronicInteraction *a ) |
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| 70 | { |
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| 71 | if( theHadronicInteractionCounter+1 > MAX_NUMBER_OF_MODELS ) |
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| 72 | { |
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| 73 | throw G4HadronicException(__FILE__, __LINE__,"RegisterMe: TOO MANY MODELS"); |
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| 74 | } |
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| 75 | theHadronicInteraction[ theHadronicInteractionCounter++ ] = a; |
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| 76 | } |
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| 77 | |
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| 78 | G4HadronicInteraction * |
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| 79 | G4EnergyRangeManager::GetHadronicInteraction( |
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| 80 | const G4double kineticEnergy, |
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| 81 | const G4Material *aMaterial, |
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| 82 | const G4Element *anElement ) const |
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| 83 | { |
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| 84 | G4int counter = GetHadronicInteractionCounter(); |
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| 85 | if( counter == 0 ) |
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| 86 | throw G4HadronicException(__FILE__, __LINE__, |
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| 87 | "GetHadronicInteraction: NO MODELS STORED"); |
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| 88 | |
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| 89 | G4int cou = 0, memory = 0, memor2 = 0; |
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| 90 | G4double emi1 = 0.0, ema1 = 0.0, emi2 = 0.0, ema2 = 0.0; |
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| 91 | for( G4int i=0; i<counter; i++ ) |
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| 92 | { |
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| 93 | G4double low = theHadronicInteraction[i]->GetMinEnergy( aMaterial, anElement ); |
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| 94 | // Work-around for particles with 0 kinetic energy, which still |
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| 95 | // require a model to return a ParticleChange |
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| 96 | if (low == 0.) low = -DBL_MIN; |
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| 97 | G4double high = theHadronicInteraction[i]->GetMaxEnergy( aMaterial, anElement ); |
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| 98 | if( low < kineticEnergy && high >= kineticEnergy ) |
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| 99 | { |
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| 100 | ++cou; |
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| 101 | emi2 = emi1; |
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| 102 | ema2 = ema1; |
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| 103 | emi1 = low; |
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| 104 | ema1 = high; |
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| 105 | memor2 = memory; |
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| 106 | memory = i; |
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| 107 | } |
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| 108 | } |
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| 109 | G4int m=-1; |
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| 110 | G4double rand; |
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| 111 | switch ( cou ) |
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| 112 | { |
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| 113 | case 0: |
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| 114 | G4cout<<"G4EnergyRangeManager:GetHadronicInteraction: counter="<<counter<<", Ek=" |
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| 115 | <<kineticEnergy<<", Material = "<<aMaterial->GetName()<<", Element = " |
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| 116 | <<anElement->GetName()<<G4endl; |
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| 117 | for( G4int j=0; j<counter; j++ ) |
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| 118 | { |
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| 119 | G4HadronicInteraction* HInt=theHadronicInteraction[j]; |
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| 120 | G4cout<<"*"<<j<<"* low=" <<HInt->GetMinEnergy(aMaterial,anElement) |
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| 121 | <<", high="<<HInt->GetMaxEnergy(aMaterial,anElement)<<G4endl; |
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| 122 | } |
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| 123 | throw G4HadronicException(__FILE__, __LINE__, |
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| 124 | "GetHadronicInteraction: No Model found"); |
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| 125 | return 0; |
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| 126 | case 1: |
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| 127 | m = memory; |
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| 128 | break; |
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| 129 | case 2: |
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| 130 | if( (emi2<=emi1 && ema2>=ema1) || (emi2>=emi1 && ema2<=ema1) ) |
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| 131 | { |
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| 132 | G4cout<<"G4EnergyRangeManager:GetHadronicInteraction: counter="<<counter<<", Ek=" |
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| 133 | <<kineticEnergy<<", Material = "<<aMaterial->GetName()<<", Element = " |
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| 134 | <<anElement->GetName()<<G4endl; |
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| 135 | if(counter) for( G4int j=0; j<counter; j++ ) |
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| 136 | { |
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| 137 | G4HadronicInteraction* HInt=theHadronicInteraction[j]; |
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| 138 | G4cout<<"*"<<j<<"* low=" <<HInt->GetMinEnergy(aMaterial,anElement) |
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| 139 | <<", high="<<HInt->GetMaxEnergy(aMaterial,anElement)<<G4endl; |
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| 140 | } |
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| 141 | throw G4HadronicException(__FILE__, __LINE__, |
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| 142 | "GetHadronicInteraction: Energy ranges of two models fully overlapping"); |
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| 143 | } |
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| 144 | rand = G4UniformRand(); |
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| 145 | if( emi1 < emi2 ) |
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| 146 | { |
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| 147 | if( (ema1-kineticEnergy)/(ema1-emi2)<rand ) |
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| 148 | m = memor2; |
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| 149 | else |
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| 150 | m = memory; |
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| 151 | } else { |
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| 152 | if( (ema2-kineticEnergy)/(ema2-emi1)<rand ) |
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| 153 | m = memory; |
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| 154 | else |
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| 155 | m = memor2; |
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| 156 | } |
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| 157 | break; |
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| 158 | default: |
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| 159 | throw G4HadronicException(__FILE__, __LINE__, |
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| 160 | "GetHadronicInteraction: More than two competing models in this energy range"); |
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| 161 | } |
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| 162 | return theHadronicInteraction[m]; |
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| 163 | } |
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| 164 | |
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| 165 | /* end of file */ |
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| 166 | |
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